• CNO Python Developer

    Parsons Corporation (Baltimore, MD)
    …talent and redefine what's possible. **Job Description:** Parsons is looking for an amazingly talented CNO Python Developer to join our team! You'll be a ... Bring:** + Active TS/SCI w/Polygraph + Minimum 10+ years of experience in exploit/ CNO tool development + Proficiency with programming languages such as Python ,… more
    Parsons Corporation (12/09/25)
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  • Associate CNO Developer

    ManTech (Hanover, MD)
    **MANTECH** seeks a skilled and innovative **Associate CNO Developer ** to join our team in **Hanover, MD.** In this role, you will contribute to the development ... of mission-critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network Operations ( CNO ). You'll be part of a… more
    ManTech (12/11/25)
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  • Expert CNO Developer

    ManTech (Hanover, MD)
    **MANTECH** seeks a skilled and innovative **Expert CNO Developer ** to join our team in **Aurora, CO.** In this role, you will contribute to the development of ... mission-critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network...and 8+ years of relevant experience + Experience in Python and C/C++ programming languages + Experience with troubleshooting… more
    ManTech (11/21/25)
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  • CNO Net Developer

    Belay Technologies (Annapolis Junction, MD)
    …to Work 2019, runner-up in 2020 and a finalist in 2021! Belay Technologies is seeking a CNO Net Developer for our intel team. You will act as a general-purpose ... CNO reverse engineer for network-based devices for up-and-coming projects...(eg, Wireshark). + Produce and modify software systems in C/C++/ Python /Assembly. + Provide support for fielded software systems. +… more
    Belay Technologies (11/25/25)
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  • CNO Developer / Engineer

    BigBear.ai (Columbia, MD)
    Overview BigBear.ai is hiring CNO Developers to provide custom software design and development of CNO tools and techniques. Designs and develops end-to-end data ... flow and tasking into CNO tools developed. Provides/authors documentation, participate in design, code,...+ Program in Assembly, C, C++, Java, Perl, or Python . + Develop Windows applications using Visual Studio or… more
    BigBear.ai (10/31/25)
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  • Senior CNO Developer

    ManTech (Annapolis Junction, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior CNO Developer ** **​** to join our team in **Annapolis Junction, Maryland** . We're looking ... for a Senior Capability Developer to join our elite team. In this role,...to:** + Develop custom software tools and applications using Python , C, and Assembly, focusing on embedded and resource-constrained… more
    ManTech (11/26/25)
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  • Associate CNO Software Developer

    ManTech (Hanover, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Associate CNO Software Developer ** to join our team in Hanover, MD. **Responsibilities include, but ... not limited to:** + Design and develop new hardware or software based CNO capabilities. + Assist with designing, developing, documenting, testing, and debugging of… more
    ManTech (11/26/25)
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  • Cyber ( CNO ) Software Developer

    Percival Engineering (Columbia, MD)
    …to developing cutting-edge software, our team does it all. If you are a Cyber ( CNO ) Software Developer with a passion for innovation and a knack for thinking ... + Write or learn a high-level programming language like Python or Ruby. Required Skills & Qualifications: + Deep...system internals and development environments + C/C++ programming and Python development skills + Experience with IPv4 Protocol and… more
    Percival Engineering (11/06/25)
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  • CNO Developer

    SAIC (Fort Meade, MD)
    …where you can** **grow your career in a dynamic and supportive environment!** The CNO Developer designs, develops, and implements tools and capabilities for both ... test, and release cycles + Study disassembly or write Python to audit pieces of C++ code **Qualifications** +...Eight (8) years' experience in Assembly, C, C++, or Python + Previous leadership experience Desired Qualifications: + Understanding… more
    SAIC (11/17/25)
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  • Computer Scientist 3 or 4 (Virtualization-Savvy…

    ARSIEM (Fort Meade, MD)
    …you work with. ARSIEM is currently looking for a Computer Scientist 3 or 4 (Virtualization-Savvy CNO Developer 3 or 4) . This position will support one of our ... protocols, SSL security layers + Reverse Engineering for debugging Preferred Qualifications + Python The ARSIEM pay range for this job level is a general guideline… more
    ARSIEM (12/01/25)
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  • Senior CNO Software Engineer

    ManTech (Hanover, MD)
    MANTECH seeks a skilled and innovative Senior CNO Developer to join our team in Hanover, MD. In this role, you will contribute to the development of ... mission-critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network Operations ( CNO ). You'll be part of a… more
    ManTech (10/14/25)
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  • Senior Python Developer (SWE-3)

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Python Developer ** in our **National Security Sector's (NSS) Cyber & Analytics ... more about how this program "Delivers Mission Success!" Seeking a motivated Senior Python Developer with the right knowledge, skills, and abilities to support… more
    Leidos (10/28/25)
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  • Junior Software Developer

    Nightwing (Annapolis Junction, MD)
    …intelligence community, defense, civil, and commercial markets. **Junior Software Developer ** **Position Description** At Nightwing CODEX, a software developer ... and techniques. Most of the work is developed in Python , C++ and Java. The intended platforms are Windows...environment being low and high level user space. The developer diagnoses issues and debugs customer problems using industry… more
    Nightwing (12/04/25)
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  • Software Developer (Core Cyber Tool…

    DarkStar Intelligence LLC (Fort Meade, MD)
    Software Developer (Core Cyber Tool Development) Location: Fort Meade, MD | Type: Full-Time | Clearance: TS/SCI CI Poly Note: These positions are part of an active ... Responsibilities + Design and develop software capabilities to meet operational CNO requirements. + Implement secure coding practices to minimize vulnerabilities. +… more
    DarkStar Intelligence LLC (12/07/25)
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  • Embedded System Researcher 3

    ARSIEM (Annapolis Junction, MD)
    …in an embedded systems world (VxWorks, ELDK, or custom OS) + Experience with Python , C, and ASM, and development + Experience with debugging tools (GDB) + ... distilling larger tasks into meaningful milestones Labor Category Requirements - Software Developer 3 + Minimum eight (8) years of experience programming with… more
    ARSIEM (11/07/25)
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  • Software Engineer (Data Analytics Focus)

    BigBear.ai (Columbia, MD)
    …will also contribute to the MI team as a software engineer and analytic developer where you will design, develop, and integrate solutions involving the analysis of ... w/ Poly + Production-grade software development experience in Java and Python . + Experience deploying and maintaining Elastic Stack components (Elasticsearch,… more
    BigBear.ai (12/11/25)
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  • Junior DevOps Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    …We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability ... members, as well as with stakeholders. Required Skills: + Python and Cucumber Desired Skills: + AWS services such...on a team. + 6+ years experience as a Developer in programs and contracts of similar scope, type,… more
    GliaCell Technologies (11/01/25)
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